Added: specs of auto_link.rb refs #59
add hook in chat_controller refs #69
Merge pull request #66 from mallowlabs/id/59

Added: specs of auto_link.rb refs #59
refactoring: change hook parameter name refs #69
add test for controller hook refs #69
Merge pull request #70 from shimomura1004/id/69

add hook in chat_controller refs #69